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Hi , I don't think I am more knowledgeable but I was involved in the O2 sensor delete thread on this forum. First , the values were not arbitrarily chosen , but these were the values found on the O2 sensor delete plugs available at that time for the Aprilia style O2 delete plugs . I spent a great deal of time verifying which wires of the 4 wires were what white , white , grey , black . Second , it would be unwise to install a smaller value then (1 meg ohm) resistor across the heater wires unless you want to run up the current and heat in that circuit needlessly . Third , the value of the signal voltage of a narrow band O2 sensor is small (less than (.5v) when its ON target . This dictates that a low value ohms resistor needs to be used to be able to simulate this. So , good luck with your effort and please let us know how it goes .

<blockquote data-quote="TonyA" data-source="post: 643558" data-attributes="member: 7317"><p>Hi , I don&#039;t think I am more knowledgeable but I was involved in the O2 sensor delete thread on this forum.&nbsp; &nbsp; First , the values were not arbitrarily chosen , but these were the values found on the O2 sensor delete plugs available at that time for the Aprilia style O2 delete plugs .&nbsp; I spent a great deal of time verifying which wires of the 4 wires were what white , white , grey , black .&nbsp; Second , it would be unwise to install a smaller value then (1 meg ohm) resistor across the heater wires unless you want to run up the current and heat in that circuit needlessly .&nbsp; Third ,&nbsp; the value of the signal voltage of a narrow band O2 sensor is small (less than (.5v) when its ON target . This dictates that a low value ohms resistor needs to be used to be able to simulate this.&nbsp;&nbsp; So , good luck with your effort and please let us know how it goes .</p></blockquote><p></p>

[QUOTE="TonyA, post: 643558, member: 7317"] Hi , I don't think I am more knowledgeable but I was involved in the O2 sensor delete thread on this forum. First , the values were not arbitrarily chosen , but these were the values found on the O2 sensor delete plugs available at that time for the Aprilia style O2 delete plugs . I spent a great deal of time verifying which wires of the 4 wires were what white , white , grey , black . Second , it would be unwise to install a smaller value then (1 meg ohm) resistor across the heater wires unless you want to run up the current and heat in that circuit needlessly . Third , the value of the signal voltage of a narrow band O2 sensor is small (less than (.5v) when its ON target . This dictates that a low value ohms resistor needs to be used to be able to simulate this. So , good luck with your effort and please let us know how it goes . [/QUOTE]